console.log(data);
	
	var arrs = data.json.keywordAreas;
	
	for(var i = 0;i<arrs.length;i++){
		var a = arrs[i];
		var navLi = document.createElement("div");
		navLi.index = i;
		navLi.onclick = function(){
			loadCatData(this.index);
			clearNavLiClassName();
			this.className = "div_active";
		};
		if(i==0){
			navLi.className = "div_active";
		}
		navLi.innerHTML = a.areaName;
		leftnav.appendChild(navLi);
	}
	
	function clearNavLiClassName(){
		var divs = leftnav.getElementsByTagName("div");
		for(var i = 0;i<divs.length;i++){
			divs[i].className="";
		}	
	}
	
	loadCatData(0);
	
	function loadCatData(num){
         cat_list.innerHTML = "";
         var arrs2 = arrs[num].level1words;

         for(var j=0;j<arrs2.length;j++){
             var a2 = arrs2[j];
             var navLi = document.createElement("div");
             navLi.innerHTML = a2.keyword;
             navLi.style.fontWeight = "700";
             navLi.style.fontSize = "18px";
             cat_list.appendChild(navLi);
			var smallcatList = document.createElement("div");
			smallcatList.className = "smallcatList clearfix";
			var arrs3 = a2.level2words;
			for(var k =0;k<arrs3.length;k++){
				var a3 = arrs3[k];
				
				var catDiv = document.createElement("div");
				catDiv.className = "cat fl";
				
				catDiv.style.width = "30%";
				var imageDiv = document.createElement("img");
				imageDiv.src = "http:"+a3.imageUrl;
				imageDiv.style.width = "100%";
				var txtDiv = document.createElement("div");
				txtDiv.innerHTML = a3.keyword;
				
				txtDiv.onclick = function(){
					location = 'https://so.m.jd.com/ware/search.action?keyword='+this.innerHTML+'&searchFrom=category';
				};
				catDiv.appendChild(imageDiv);
				catDiv.appendChild(txtDiv);
				smallcatList.appendChild(catDiv);
			}
			cat_list.appendChild(smallcatList);
		}
	}
	
	window.onload = function(){
     
            var ww = document.body.clientWidth || document.documentElement.clientWidth;
     
            var wh = document.body.clientHeight || document.documentElement.clientHeight;
            
            var r = wh / ww;
           
            var cntHeight = r*10-2;
            cnt.style.height = cntHeight+"rem";
        }
	